Which statement correctly describes field bindweed, dandelion, and johnsongrass?

Which statement correctly describes field bindweed, dandelion, and johnsongrass?

• A. They are all annuals
• B. They are all perennials
• C. They are all biennials
• D. They are all sedges

Answer: (B)

All three weeds persist year after year because they survive and regrow from underground storage parts rather than dying after a single growing season. This is what makes them perennials. Field bindweed is a perennial vine with a deep, extensive root system. Even if you top it or remove the aerial parts, pieces of the root can remain and resprout, allowing the plant to continue living for many years and to spread over large areas. Dandelion is a perennial with a strong taproot that stores energy. If the top is removed, the root remains capable of sending up new shoots, so the plant can come back year after year. Johnsongrass is a perennial grass that can spread through rhizomes as well as seeds. The underground rhizomes enable it to regenerate new clumps even after mowing or spraying, contributing to its long-term persistence. Because they all rely on underground structures to survive beyond a single season, they are classified as perennials, not annuals, biennials, or sedges.

All three weeds persist year after year because they survive and regrow from underground storage parts rather than dying after a single growing season. This is what makes them perennials.

Field bindweed is a perennial vine with a deep, extensive root system. Even if you top it or remove the aerial parts, pieces of the root can remain and resprout, allowing the plant to continue living for many years and to spread over large areas.

Dandelion is a perennial with a strong taproot that stores energy. If the top is removed, the root remains capable of sending up new shoots, so the plant can come back year after year.

Johnsongrass is a perennial grass that can spread through rhizomes as well as seeds. The underground rhizomes enable it to regenerate new clumps even after mowing or spraying, contributing to its long-term persistence.

Because they all rely on underground structures to survive beyond a single season, they are classified as perennials, not annuals, biennials, or sedges.